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<?php |
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|
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namespace PhpOffice\PhpSpreadsheet; |
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|
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use PhpOffice\PhpSpreadsheet\Cell\AddressRange; |
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use PhpOffice\PhpSpreadsheet\Cell\Coordinate; |
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|
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class CellReferenceHelper |
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{ |
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/** |
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* @var string |
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*/ |
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protected $beforeCellAddress; |
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|
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/** |
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* @var int |
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*/ |
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protected $beforeColumn; |
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|
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/** |
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* @var int |
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*/ |
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protected $beforeRow; |
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|
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/** |
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* @var int |
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*/ |
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protected $numberOfColumns; |
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|
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/** |
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* @var int |
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*/ |
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protected $numberOfRows; |
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|
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public function __construct(string $beforeCellAddress = 'A1', int $numberOfColumns = 0, int $numberOfRows = 0) |
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{ |
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$this->beforeCellAddress = str_replace('$', '', $beforeCellAddress); |
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$this->numberOfColumns = $numberOfColumns; |
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$this->numberOfRows = $numberOfRows; |
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|
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// Get coordinate of $beforeCellAddress |
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[$beforeColumn, $beforeRow] = Coordinate::coordinateFromString($beforeCellAddress); |
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$this->beforeColumn = (int) Coordinate::columnIndexFromString($beforeColumn); |
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$this->beforeRow = (int) $beforeRow; |
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} |
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|
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public function beforeCellAddress(): string |
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{ |
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return $this->beforeCellAddress; |
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} |
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|
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public function refreshRequired(string $beforeCellAddress, int $numberOfColumns, int $numberOfRows): bool |
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{ |
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return $this->beforeCellAddress !== $beforeCellAddress || |
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$this->numberOfColumns !== $numberOfColumns || |
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$this->numberOfRows !== $numberOfRows; |
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} |
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|
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public function updateCellReference(string $cellReference = 'A1', bool $includeAbsoluteReferences = false): string |
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{ |
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if (Coordinate::coordinateIsRange($cellReference)) { |
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throw new Exception('Only single cell references may be passed to this method.'); |
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} |
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|
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// Get coordinate of $cellReference |
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[$newColumn, $newRow] = Coordinate::coordinateFromString($cellReference); |
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$newColumnIndex = (int) Coordinate::columnIndexFromString(str_replace('$', '', $newColumn)); |
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$newRowIndex = (int) str_replace('$', '', $newRow); |
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|
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$absoluteColumn = $newColumn[0] === '$' ? '$' : ''; |
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$absoluteRow = $newRow[0] === '$' ? '$' : ''; |
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// Verify which parts should be updated |
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if ($includeAbsoluteReferences === false) { |
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$updateColumn = (($absoluteColumn !== '$') && $newColumnIndex >= $this->beforeColumn); |
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$updateRow = (($absoluteRow !== '$') && $newRowIndex >= $this->beforeRow); |
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} else { |
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$updateColumn = ($newColumnIndex >= $this->beforeColumn); |
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$updateRow = ($newRowIndex >= $this->beforeRow); |
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} |
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|
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// Create new column reference |
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if ($updateColumn) { |
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$newColumn = $this->updateColumnReference($newColumnIndex, $absoluteColumn); |
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} |
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|
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// Create new row reference |
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if ($updateRow) { |
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$newRow = $this->updateRowReference($newRowIndex, $absoluteRow); |
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} |
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|
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// Return new reference |
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return "{$newColumn}{$newRow}"; |
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} |
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|
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public function cellAddressInDeleteRange(string $cellAddress): bool |
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{ |
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[$cellColumn, $cellRow] = Coordinate::coordinateFromString($cellAddress); |
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$cellColumnIndex = Coordinate::columnIndexFromString($cellColumn); |
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// Is cell within the range of rows/columns if we're deleting |
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if ( |
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$this->numberOfRows < 0 && |
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($cellRow >= ($this->beforeRow + $this->numberOfRows)) && |
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($cellRow < $this->beforeRow) |
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) { |
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return true; |
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} elseif ( |
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$this->numberOfColumns < 0 && |
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($cellColumnIndex >= ($this->beforeColumn + $this->numberOfColumns)) && |
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($cellColumnIndex < $this->beforeColumn) |
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) { |
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return true; |
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} |
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|
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return false; |
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} |
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|
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protected function updateColumnReference(int $newColumnIndex, string $absoluteColumn): string |
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{ |
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$newColumn = Coordinate::stringFromColumnIndex(min($newColumnIndex + $this->numberOfColumns, AddressRange::MAX_COLUMN_INT)); |
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|
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return "{$absoluteColumn}{$newColumn}"; |
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} |
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|
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protected function updateRowReference(int $newRowIndex, string $absoluteRow): string |
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{ |
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$newRow = $newRowIndex + $this->numberOfRows; |
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$newRow = ($newRow > AddressRange::MAX_ROW) ? AddressRange::MAX_ROW : $newRow; |
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|
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return "{$absoluteRow}{$newRow}"; |
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} |
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} |
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|
